Cook on Apple’s Big Day: New Phones Will Trigger ‘Mother of All Upgrades’

Two hours after introducing a pair of larger iPhones, a new smartwatch, and a new payments system, Apple’s normally reserved CEO Tim Cook said he was still riding high on adrenaline.

The event marked a defining moment for Cook, who has been dogged by questions about whether he, as CEO, would be able to sustain Apple’s product-making magic. He seemed firmly in command of the company on its most significant new product announcement since he took over as CEO in 2011.